A company that's crowdsourcing job candidates for health care clinical positions netted a new round of financing from a fund affiliated with former Sen. Bill Frist as it looks to upend the way clinicians connect to open positions.

Relode uses web and mobile software to list jobs that take referrals from agents—anyone who signs up can be the headhunter much like anyone with a car can be an Uber driver—around the country. Instead of relying on the network of a couple of professional recruiters, Relode agents may be a colleague, friend or acquaintance.